<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <title></title>
    <style type="text/css">
    	*{
    		padding: 0; margin: 0;
    	}
		html{
			font-size: 0px;
		}
		body{
			width: 6.4rem;
			
		}
    	.nav{
    		width: 6.4rem;
    		height: 0.8rem;
    		background: blueviolet;
    		font-size: 0.5rem;
    	}
    	.nav .spanLeft{
    		float: left;
    		line-height: 0.8rem;
    	}
    	.nav .spanRight{
    		float: right;
    		line-height: 0.8rem;
    	}
    	.banner {
    		width: 6.4rem;
    		height: 2.5rem;
    		background: cadetblue;
    		position: relative;
    		overflow: hidden;
    	}
    	.banner .container{
    		width: 25.6rem;
    		height: 2.5rem;
    	}
    	.banner .container li{
    		text-align: center;
    		list-style: none;
    		float: left;
    		width: 6.4rem;
    		height: 2.5rem;
    		line-height: 2.5rem;
    	}
    	.banner .banner-nav{
    		position: absolute;
    		bottom: 0.1rem;
    		width: 1.6rem;
    		height: 0.4rem;
    		left: 50%;
    		margin-left: -0.8rem;
    	}
    	.banner .banner-nav li{
    		list-style: none;
    		float: left;
    		border-radius: 50%;
    		opacity: 0.5;
    		width: 0.3rem;
    		height: 0.3rem;
    		margin-right: 0.1rem;
    		background: black;
    	}
    </style>
    <script type="text/javascript">
    	
   		window.onload = function(){
   			//console.log(100 * document.documentElement.offsetWidth/640);
   			document.documentElement.style.fontSize = 100 * document.documentElement.offsetWidth/640 + "px";
   		}
   		
    </script>
</head>
<body>
	<div id="" class="nav">
		<span class="spanLeft">返回</span>
		<span class="spanRight">分享</span>
	</div>
	<div class="banner">
		<ul class="container">
			<li>A</li>
			<li>B</li>
			<li>C</li>
			<li>D</li>
		</ul>
		<!--
        	作者：875886087@qq.com
        	时间：2017-03-21
        	描述：这是我新增加的内容
        -->
		<ul class="banner-nav">
			<li></li>
			<li></li>
			<li></li>
			<li></li>
		</ul>
	</div>
</body>
</html>